The IC 1.425 aat from TKI-Ferrit is a RF & Microwave Isolator with Frequency 1.3 to 1.55 GHz, Average Power Forward 100 W, Average Power Reverse 10 W, Insertion Loss 0.3 dB, Isolation 23 dB. Tags: Module with Connectors, Coaxial Isolator. More details for IC 1.425 aat can be seen below.